88-252÷(72÷4)如何简便计算,急,明天还要交作业呢,

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88-252÷(72÷4)如何简便计算,急,明天还要交作业呢,88-252÷(72÷4)如何简便计算,急,明天还要交作业呢,88-252÷(72÷4)如何简便计算,急,明天还要交作业呢,88-252÷

88-252÷(72÷4)如何简便计算,急,明天还要交作业呢,
88-252÷(72÷4)如何简便计算,急,明天还要交作业呢,

88-252÷(72÷4)如何简便计算,急,明天还要交作业呢,
88-252÷(72÷4)
=88-252÷18
=88-(9×28)÷(9×2)
=88-28÷2
=88-14
=74